sFLR cutoff for PVE

In major hepatic resection candidates with normal liver function, what is the standardized future liver remnant (sFLR) cutoff for PVE? 

The size of the FLR needs to be standardized to patient size as larger patients require a larger liver mass to support their essential functions compared to smaller patients. sFLR is expressed as a percentage of FLR in relation to total functioning liver volume. The cutoff for PVE is an sFLR less than 20%. Studies have shown significantly higher rates of postoperative liver insufficiency and death from liver failure in patients with sFLR of less than 20% compared with patients with an sFLR of 20% or more.

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